(19)

(11)

EP 1 991 714 A2

(12)

(88) Date of publication A3: 03.07.2008 (43) Date of publication: 19.11.2008 Bulletin 2008/47 (21) Application number: 07868158.2 (22) Date of filing: 12.01.2007

(51) International Patent Classification (IPC):  C22C 14/00(2006.01) C22F 1/18(2006.01) (86) International application number: PCT/US2007/060478 (87) International publication number: WO 2008/060637 (22.05.2008 Gazette 2008/21)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 23.02.2006 US 360065 (71) Applicant: ATI Properties, Inc. Albany, OR 97321 (US)	(72) Inventors: ARNOLD, Matthew J. Charlotte, NC 28277 (US) DAVIS, Mark R. Marshville, NC 28103 (US) (74) Representative: Baker, Colin John  Potter Clarkson LLP Park View House 58 The Ropewalk Nottingham NG1 5DD Nottingham NG1 5DD (GB)